It’s bad for your lungs, your skin , and your longevity. Now, it turns out, air pollution is also crap for your physique. A new study from the University of Colorado, Boulder, finds that people who live in areas of heavy ozone air pollution are more likely to develop a poor gut bacteria (aka “microbiome”) mix—one that’s associated with a high risk of obesity. 11 Reasons You Can’t Lose Weight If you’ve been going full force at your weight-loss goal since January 1, sans results, run down thi... Read article The study followed over 100 young adults in a polluted area of Southern California, who provided fecal samples (yes, what it sounds like) along with their zip codes so that researchers could determine the makeup of their gut bacteria and compare it to data on air pollution in their neighborhoods over the past year. The results: Overweight people with greatest exposure to ozone pollution also had the lowest diversity in gut bacteria. How Oral Bacteria Could Lead to Breakt